In a nutshell, the procedure seems relatively simple. Attach a thin film to the end of a new Sample Cup, insert the sample into the cup and place it in an X-ray machine for element analysis.
How do you prepare an XRF sample?
The process includes grinding a sample into a fine powder, ideally to a grain size of <75um, mixing it with a binding /grinding aid and then pressing the mixture in a die at between 20 and 30T to produce a homogeneous sample pellet.24 mar 2017